Cereus subg. Trichocereus A.Berger in Rep. (Annual) Missouri Bot. Gard. 16: 73. 1905 Cereus subg. Trichocereus A.Berger in Rep. (Annual) Missouri Bot. Gard. 16: 73. 1905is basionym for Trichocereus (A.Berger) Riccob. in Boll. Reale Orto Bot. Palermo 8: 236. 1909Taxon for this nameCereus subg. Trichocereus A.Berger